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1. A method of topology optimization of grillage structure with stress constraints is presented and applied to analyze the reinforced beam of raft foundation.

2. A practical method for stability calculation of deck grillage structure by using ANSYS software was studied.

3. The stability of ship deck grillage is analyzed by means of transport matrix technique and minimal weight of the structure is obtained with multilevel optimization method.

4. When the grillage beam structure is exposed outside, especially when the height and width of the beam are relatively large, the spray head layout will be greatly influenced.

5. It shows that grillage analogy method can analyze the type bridge easily and its calculation accuracy closing to entity unit model.

6. The simulated results indicate that the grillage model can indeed simulate the vehicle-bridge interaction of girder bridges via a rational mesh and the principle of equivalence.

7. A method to optimize the topology of grillage structure with stress constraints is presented.

8. This paper proposes an analytical method of curved skew bridge in urban districts based on a curved grillage theory with linear radial bearings.

9. The proposed moving load identification method based on the grillage model is reliable, efficient and applicable to a wide range of brdiges.

10. Based on the study the seismic design recommendations of grillage walls are presented.

11. In order to acquaint the logical characteristic of the hydroelastic response of the VLFS, a sandwich grillage model is introduced.

12. A stiffness method of curved skew bridge in urban districts is proposed based on the curved grillage theory with linear radial bearings.

13. The finite element analysis showed that the normal stress distribution of the grillage wall was about the same as that of the solid wall.

14. The method and calculating procedure of maximum deflection coefficients of grillage beams are demonstrated.

15. Therefore, it is of great significance that researching on penetrating grillage structure.

16. The method can be applied when the size of hull grillage beam and exciting frequencies cannot be easily changed.

17. Authors suggest a practical method based on dynamic analysis of finite element for modifying natural frequencies of hull grillage beam, and its software is completed.

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18. For girders generally used in highway bridges and urban overpasses, a novel method based on a grillage model is proposed to identify moving loads on bridges.

19. The wall section length and the end columns had significant effect on enhancing the elastic stiffness, the tangent stiffness at yield and the flexural ultimate strength of the grillage walls.

20. Based on coordinating relations of steel and concrete, the grillage structure finite-element method was adopted to analyze the space mechanical effect of curved girder bridges.

21. For large space, air terminal building adopts air supply tower, floor exhaust grillage and smoke exhausting skylight controlled by infrared detector.